001package org.apache.maven.model.plugin;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 *   http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import java.util.List;
023
024import org.apache.maven.model.Build;
025import org.apache.maven.model.Model;
026import org.apache.maven.model.Plugin;
027import org.apache.maven.model.PluginExecution;
028import org.apache.maven.model.PluginManagement;
029import org.apache.maven.model.building.ModelBuildingRequest;
030import org.apache.maven.model.building.ModelProblemCollector;
031import org.codehaus.plexus.component.annotations.Component;
032import org.codehaus.plexus.util.xml.Xpp3Dom;
033
034/**
035 * Handles expansion of general build plugin configuration into individual executions.
036 * 
037 * @author Benjamin Bentmann
038 */
039@Component( role = PluginConfigurationExpander.class )
040public class DefaultPluginConfigurationExpander
041    implements PluginConfigurationExpander
042{
043
044    public void expandPluginConfiguration( Model model, ModelBuildingRequest request, ModelProblemCollector problems )
045    {
046        Build build = model.getBuild();
047
048        if ( build != null )
049        {
050            expand( build.getPlugins() );
051
052            PluginManagement pluginManagement = build.getPluginManagement();
053
054            if ( pluginManagement != null )
055            {
056                expand( pluginManagement.getPlugins() );
057            }
058        }
059    }
060
061    private void expand( List<Plugin> plugins )
062    {
063        for ( Plugin plugin : plugins )
064        {
065            Xpp3Dom pluginConfiguration = (Xpp3Dom) plugin.getConfiguration();
066
067            if ( pluginConfiguration != null )
068            {
069                for ( PluginExecution execution : plugin.getExecutions() )
070                {
071                    Xpp3Dom executionConfiguration = (Xpp3Dom) execution.getConfiguration();
072
073                    executionConfiguration =
074                        Xpp3Dom.mergeXpp3Dom( executionConfiguration, new Xpp3Dom( pluginConfiguration ) );
075
076                    execution.setConfiguration( executionConfiguration );
077                }
078            }
079        }
080    }
081
082}